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| 21. | drainage period |
| 排水期 |
|
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| 22. | drainage density |
| 河网密度|排水密度 |
|
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| 23. | drainage divide |
| 硫分界线 |
|
|
| | |
| 24. | drainage plough |
| 开排水沟犁 |
|
|
| | |
| 25. | drainage grommet |
| 漏水垫圈 |
|
|
| | |
| 26. | Drainage Pavement |
| 排水性铺面 |
|
|
| | |
| 27. | drainage mining |
| 坑道采矿法 |
|
|
| | |
| 28. | drainage piping |
| 污水疏水管系 |
|
|
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| 29. | drainage modulus |
| 泄油模数 |
|
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| 30. | drainage reserve |
| 渠务保留地 |
|
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